// 底部五个方法中 IM 属于 Module Name 例:
@Module(alias = "IM 模块")
private class IM {
}

public final class Config {

    @Module(alias = "服务器请求地址")
    private class Service {

        @Environment(value = "https://www.wanandroid.com/", isRelease = true, alias = "线上环境")
        private String release;

        @Environment(value = "https://debug.com", alias = "测试环境")
        private String debug;

        @Environment(value = "https://pre_release.com", alias = "预发布环境")
        private String pre_release;

        @Environment(value = "https://development.com", alias = "开发环境")
        private String development;
    }

    @Module(alias = "开关")
    private class Switch {

        @Environment(value = "true", isRelease = true)
        private String open;

        @Environment(value = "false")
        private String close;
    }

    @Module(alias = "IM 模块")
    private class IM {

        @Environment(value = "https://im.release.com/", isRelease = true, alias = "线上环境")
        private String release;

        @Environment(value = "https://im.debug.com", alias = "测试环境")
        private String debug;
    }
}

// 如果准备设置环境等于当前选中的环境，则会返回 false
EnvironmentBean custom = new EnvironmentBean("自定义配置",
        "https://custom.com", "动态自定义", DevEnvironment.getServiceModule());
boolean result = DevEnvironment.setServiceEnvironment(mContext, custom);

// 显示右上角重启按钮
boolean result = DevEnvironmentActivity.start(mContext, new RestartCallback() {
    @Override
    public void onRestart() {
        ActivityUtils.getManager().exitApplication();
    }
});
// 不显示右上角重启按钮
boolean result = DevEnvironmentActivity.start(mContext);

// 添加环境改变监听事件
DevEnvironment.addOnEnvironmentChangeListener(new OnEnvironmentChangeListener() {

    /**
     * 模块环境发生变化时触发
     * @param module         环境发生变化的模块
     * @param oldEnvironment 该模块的旧环境
     * @param newEnvironment 该模块的最新环境
     */
    @Override
    public void onEnvironmentChanged(ModuleBean module, EnvironmentBean oldEnvironment,
                    EnvironmentBean newEnvironment) {
    }
});
// 移除环境改变监听事件
DevEnvironment.removeOnEnvironmentChangeListener(listener);
// 移除全部环境改变监听事件
DevEnvironment.clearOnEnvironmentChangeListener();

// 有多少个 @Module 修饰，则会生成多少个 getXXModule 方法
ModuleBean serviceModule = DevEnvironment.getServiceModule();
ModuleBean switchModule = DevEnvironment.getSwitchModule();
ModuleBean imModule = DevEnvironment.getIMModule();

// getXXReleaseEnvironment 该方法返回 isRelease 值为 true 的 Environment ( 必须有且只有一个 )
// 而 getXXEnvironment 获取的为当前 Module 选中的 Environment，可通过 setXXEnvironment 进行修改

EnvironmentBean serviceReleaseEnvironment = DevEnvironment.getServiceReleaseEnvironment();
EnvironmentBean serviceEnvironment = DevEnvironment.getServiceEnvironment(mContext);

EnvironmentBean switchReleaseEnvironment = DevEnvironment.getSwitchReleaseEnvironment();
EnvironmentBean switchEnvironment = DevEnvironment.getSwitchEnvironment(mContext);

EnvironmentBean imReleaseEnvironment = DevEnvironment.getIMReleaseEnvironment();
EnvironmentBean imEnvironment = DevEnvironment.getIMEnvironment(mContext);